What is CVE-2022-48712?

CVE-2022-48712 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 5.10 onward and patched in 5.10.99, 5.15.22, 5.16.8 and others. CVE-2022-48712 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48712?

CVE-2022-48712 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-48712?

Yes, CVE-2022-48712 has been patched. Fixed versions include 5.10.99, 5.15.22, 5.16.8 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48712 actively exploited?

CVE-2022-48712 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2022-48712

High

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4_fc_record_modified_inode() Current code does not fully takes care of krealloc() error case, which could lead to silent memory corruption or a kernel bug. This patch fixes that. Also it cleans up some duplicated error handling logic from various functions in fast_commit.c file.

Package Linux Kernel

Published 2024-06-20

Last modified 2025-09-17

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-787

CVE-2022-48712 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.10 and later are affected. Fixed in 5.10.99, 5.15.22, 5.16.8, 5.17 and their respective stable series.

Affected from

≥ 5.10

Fixed in

✓ 5.10.99 5.10.x ✓ 5.15.22 5.15.x ✓ 5.16.8 5.16.x ✓ 5.17

References

4 total

Kernel Git
https://git.kernel.org/stable/c/14aa3f49c7fc6424763f4323bfbc3a807b0727dc

Patch
Kernel Git
https://git.kernel.org/stable/c/1b6762ecdf3cf12113772427c904aa3c420a1802

Patch
Kernel Git
https://git.kernel.org/stable/c/62e46e0ffc02daa8fcfc02f7a932cc8a19601b19

Patch
Kernel Git
https://git.kernel.org/stable/c/cdce59a1549190b66f8e3fe465c2b2f714b98a94

Patch

Details

CVE ID CVE-2022-48712

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-06-20

Modified 2025-09-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48712?

CVE-2022-48712 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 5.10 onward and has been patched in 5.10.99, 5.15.22, 5.16.8 and others. CVE-2022-48712 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48712?

CVE-2022-48712 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-48712?

Yes. CVE-2022-48712 has been patched. Fixed versions include 5.10.99, 5.15.22, 5.16.8 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48712 actively exploited?

No. CVE-2022-48712 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.